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Onefut View Drop Down
Yardie
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I like pink

Joined: 14 Jan 08
Location: North Devon
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Onefut Quote  Post ReplyReply Direct Link To This Post Topic: A/C
    Posted: 04 Dec 17 at 12:45
Ok so my air con was emptied (wont go into the story) but I read online that it'll be OK like that as long as it ain't run BUT I've recently read that it could kill the pump even if not turned on.

Can anyone tell me which is correct?
God whispers in our soul & speaks to our heart. When we don't have time to listen, He has to throw a brick.
It's our choice: Listen to the whisper or wait for the brick!
05 Shuttle SE 174 Auto LWB
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T5 TDI View Drop Down
Vanorak
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Post Options Post Options   Thanks (0) Thanks(0)   Quote T5 TDI Quote  Post ReplyReply Direct Link To This Post Posted: 04 Dec 17 at 22:16
Hi Onefut Smile  If it was mine I would remove the rubber coupling to suspend the A/C physically.  I am absolutely not an A/C guru but because the compressor on a 2.5 is turning all the time the engine is running (unlike most other A/C systems with an electro-magnetic clutch) the oil which is normally added with the gas will not be present so the system could theoretically run without lubrication for the internal seals. I don't know if this is correct but I prefer to be on the conservative side. 😊

Edited by T5 TDI - 04 Dec 17 at 23:48
2004 2.5 174
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Stryne View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stryne Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 17 at 11:12
Yes, remove the Gates rubber coupling if there is no refrigerant charge, the compressor does have an oil sump, but the recommendation by VW is to disconnect 
the coupling or there is a risk of overheating the compressor. Seal any open pipes connections or other open areas.
When reassembled and recharged, remember to turn the compressor a few turns by hand to lube front seal before starting up.
2005 T5 2.5L 128Kw 6SpA LWB med. roof
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Vanorak
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Post Options Post Options   Thanks (0) Thanks(0)   Quote T5 TDI Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 17 at 14:55
Originally posted by Stryne Stryne wrote:

Yes, remove the Gates rubber coupling if there is no refrigerant charge, the compressor does have an oil sump, but the recommendation by VW is to disconnect 
the coupling or there is a risk of overheating the compressor. Seal any open pipes connections or other open areas.
When reassembled and recharged, remember to turn the compressor a few turns by hand to lube front seal before starting up.

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It's fairly easy to get the compressor coupling off as long as you are reasonably handy with spanners. Smile 
2004 2.5 174
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